File: jump_label.c

package info (click to toggle)
linux 4.19.249-2
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 968,784 kB
  • sloc: ansic: 16,810,930; asm: 272,263; makefile: 38,450; sh: 33,900; perl: 27,702; python: 21,148; cpp: 5,068; yacc: 4,650; lex: 2,584; awk: 1,386; ruby: 25; sed: 5
file content (23 lines) | stat: -rw-r--r-- 660 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
/*
 * Copyright 2010 Michael Ellerman, IBM Corp.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */

#include <linux/kernel.h>
#include <linux/jump_label.h>
#include <asm/code-patching.h>

void arch_jump_label_transform(struct jump_entry *entry,
			       enum jump_label_type type)
{
	u32 *addr = (u32 *)(unsigned long)entry->code;

	if (type == JUMP_LABEL_JMP)
		patch_branch(addr, entry->target, 0);
	else
		patch_instruction(addr, PPC_INST_NOP);
}